Add exception when no dependencies in Chart.yaml (#186)

Signed-off-by: Jiyeong Seok <[email protected]>

src/fosslight_dependency/package_manager/Helm.py

@@ -44,25 +44,32 @@ def run_plugin(self):
  logger.error(f"Failed to build helm dependency: {cmd}")
  ret = False
  else:
- shutil.copytree(charts_dir, self.tmp_charts_dir)
- shutil.rmtree(charts_dir, ignore_errors=True)
-
- ret = extract_compressed_dir(self.tmp_charts_dir, self.tmp_charts_dir, False)
- if not ret:
- logger.error(f'Fail to extract compressed dir: {self.tmp_charts_dir}')
- else:
- logger.warning('Success to extract compressed dir')
+ if not os.path.isdir(charts_dir):
+ logger.warning(f"Cannot create {charts_dir} because of no dependencies in Chart.yaml. "
+ f"So you don't need to analyze dependency.")
+ return True
+ else:
+ shutil.copytree(charts_dir, self.tmp_charts_dir)
+ shutil.rmtree(charts_dir, ignore_errors=True)
+ if ret:
+ ret = extract_compressed_dir(self.tmp_charts_dir, self.tmp_charts_dir, False)
+ if not ret:
+ logger.error(f'Fail to extract compressed dir: {self.tmp_charts_dir}')
+ else:
+ logger.warning('Success to extract compressed dir')
 
  return ret
 
  def parse_oss_information(self, f_name):
  dep_item_list = []
  sheet_list = []
+ _dependencies = 'dependencies'
 
  with open(f_name, 'r', encoding='utf8') as yaml_fp:
  yaml_f = yaml.safe_load(yaml_fp)
- for dep in yaml_f['dependencies']:
- dep_item_list.append(dep['name'])
+ if _dependencies in yaml_f:
+ for dep in yaml_f[_dependencies]:
+ dep_item_list.append(dep['name'])
  for dep in dep_item_list:
  try:
  f_path = os.path.join(self.tmp_charts_dir, dep, f_name)